Wavelength division multiplexing/demultiplexing devices using dual high index of refraction crystalline lenses
AssigneeLightChip, Inc.
InventorRobert Kent Wade
Life of this patent
Estimating the term…
Abstract
A wavelength division multiplexing device is disclosed. In one embodiment, the wavelength division multiplexing device comprises a crystalline collimating lens for collimating a plurality of monochromatic optical beams, a diffraction grating for combining the plurality of collimated, monochromatic optical beams into a multiplexed, polychromatic optical beam, and a crystalline focusing lens for focusing the multiplexed, polychromatic optical beam.
Claims46
A wavelength division multiplexing device comprising:
- a crystalline collimating lens for collimating a plurality of monochromatic optical beams;
- a diffraction grating for combining the plurality of collimated, monochromatic optical beams into a multiplexed, polychromatic optical beam;
- and
- a crystalline focusing lens for focusing the multiplexed, polychromatic optical beam.
An integrated wavelength division multiplexing device comprising:
- a crystalline collimating lens for collimating a plurality of monochromatic optical beams;
- a homogeneous index boot lens affixed to the crystalline collimating lens for transmitting the plurality of collimated, monochromatic optical beams from the crystalline collimating lens, the homogeneous index boot lens having a planar exit surface;
- and
- a diffraction grating formed at the planar exit surface of the homogeneous index boot lens for combining the plurality of collimated, monochromatic optical beams into a multiplexed, polychromatic optical beam.
An integrated wavelength division multiplexing device comprising:
- a crystalline focusing lens for focusing a multiplexed, polychromatic optical beam;
- a homogeneous index boot lens affixed to the crystalline focusing lens for transmitting the multiplexed, polychromatic optical beam to the crystalline focusing lens, the homogeneous index boot lens having a planar entry surface;
- and
- a diffraction grating formed at the planar entry surface of the homogeneous index boot lens for combining a plurality of monochromatic optical beams into the multiplexed, polychromatic optical beam.
A wavelength division demultiplexing device comprising:
- a crystalline collimating lens for collimating a multiplexed, polychromatic optical beam;
- a diffraction grating for separating the collimated, multiplexed, polychromatic optical beam into a plurality of monochromatic optical beams;
- and
- a crystalline focusing lens for focusing the plurality of monochromatic optical beams.
An integrated wavelength division demultiplexing device comprising:
- a crystalline collimating lens for collimating a multiplexed, polychromatic optical beam;
- a homogeneous index boot lens affixed to the crystalline collimating lens for transmitting the collimated, multiplexed, polychromatic optical beam from the crystalline collimating lens, the homogeneous index boot lens having a planar exit surface;
- and
- a diffraction grating formed at the planar exit surface of the homogeneous index boot lens for separating the collimated, multiplexed, polychromatic optical beam into a plurality of monochromatic optical beams.
An integrated wavelength division demultiplexing device comprising:
- a crystalline focusing lens for focusing a plurality of monochromatic optical beams;
- a homogeneous index boot lens affixed to the crystalline focusing lens for transmitting the plurality of monochromatic optical beams to the crystalline focusing lens, the homogeneous index boot lens having a planar entry surface;
- and
- a diffraction grating formed at the planar entry surface of the homogeneous index boot lens for separating a multiplexed, polychromatic optical beam into the plurality of monochromatic optical beams.
Dependencies are inferred from the claim text.